to be based on sth

• 以某物为根据

to be based on sth的用法和样例：

例句

1. Scientific theories must be based on facts.
   科学理论必须以事实为根据。
2. The following sample schedules are based largely upon experiments at Michigan State University.
   下列的样本程序大部分是以密执安大学的试验为根据的。